Also, intelligence is early education before birth, which is useless to you.

Be confident, you are not stupid, because you know to ask questions in Baidu. People's talents are not that bad, but their efforts are different. Some methods are suitable, some are not suitable or no methods have been found. They often ask why a question is often asked. When you encounter problems, you have to have backbone and complete them independently, so that you can prove yourself. Then you will gradually become confident. Then you will find that people who think they are smarter than you are not so great.